388968840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4889}}^1$

素因数の和:4936

約数の個数: 192

約数和(自身を含む): 1441767600

約数和(自身を除く): 1052798760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 4680, 4889, 5304, 6120, 6630, 7956, 8840, 9778, 9945, 13260, 14667, 15912, 19556, 19890, 24445, 26520, 29334, 39112, 39780, 44001, 48890, 58668, 63557, 73335, 79560, 83113, 88002, 97780, 117336, 127114, 146670, 166226, 176004, 190671, 195560, 220005, 249339, 254228, 293340, 317785, 332452, 352008, 381342, 415565, 440010, 498678, 508456, 572013, 586680, 635570, 664904, 748017, 762684, 831130, 880020, 953355, 997356, 1080469, 1144026, 1246695, 1271140, 1496034, 1525368, 1662260, 1760040, 1906710, 1994712, 2160938, 2288052, 2493390, 2542280, 2860065, 2992068, 3241407, 3324520, 3740085, 3813420, 4321876, 4576104, 4986780, 5402345, 5720130, 5984136, 6482814, 7480170, 7626840, 8643752, 9724221, 9973560, 10804690, 11440260, 12965628, 14960340, 16207035, 19448442, 21609380, 22880520, 25931256, 29920680, 32414070, 38896884, 43218760, 48621105, 64828140, 77793768, 97242210, 129656280, 194484420, 388968840]

約数ペア:

[(1, 388968840), (2, 194484420), (3, 129656280), (4, 97242210), (5, 77793768), (6, 64828140), (8, 48621105), (9, 43218760), (10, 38896884), (12, 32414070), (13, 29920680), (15, 25931256), (17, 22880520), (18, 21609380), (20, 19448442), (24, 16207035), (26, 14960340), (30, 12965628), (34, 11440260), (36, 10804690), (39, 9973560), (40, 9724221), (45, 8643752), (51, 7626840), (52, 7480170), (60, 6482814), (65, 5984136), (68, 5720130), (72, 5402345), (78, 4986780), (85, 4576104), (90, 4321876), (102, 3813420), (104, 3740085), (117, 3324520), (120, 3241407), (130, 2992068), (136, 2860065), (153, 2542280), (156, 2493390), (170, 2288052), (180, 2160938), (195, 1994712), (204, 1906710), (221, 1760040), (234, 1662260), (255, 1525368), (260, 1496034), (306, 1271140), (312, 1246695), (340, 1144026), (360, 1080469), (390, 997356), (408, 953355), (442, 880020), (468, 831130), (510, 762684), (520, 748017), (585, 664904), (612, 635570), (663, 586680), (680, 572013), (765, 508456), (780, 498678), (884, 440010), (936, 415565), (1020, 381342), (1105, 352008), (1170, 332452), (1224, 317785), (1326, 293340), (1530, 254228), (1560, 249339), (1768, 220005), (1989, 195560), (2040, 190671), (2210, 176004), (2340, 166226), (2652, 146670), (3060, 127114), (3315, 117336), (3978, 97780), (4420, 88002), (4680, 83113), (4889, 79560), (5304, 73335), (6120, 63557), (6630, 58668), (7956, 48890), (8840, 44001), (9778, 39780), (9945, 39112), (13260, 29334), (14667, 26520), (15912, 24445), (19556, 19890)]