253771700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 688289280

約数和(自身を除く): 434517580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 79, 91, 100, 130, 140, 158, 175, 182, 260, 316, 325, 350, 353, 364, 395, 455, 553, 650, 700, 706, 790, 910, 1027, 1106, 1300, 1412, 1580, 1765, 1820, 1975, 2054, 2212, 2275, 2471, 2765, 3530, 3950, 4108, 4550, 4589, 4942, 5135, 5530, 7060, 7189, 7900, 8825, 9100, 9178, 9884, 10270, 11060, 12355, 13825, 14378, 17650, 18356, 20540, 22945, 24710, 25675, 27650, 27887, 28756, 32123, 35300, 35945, 45890, 49420, 51350, 55300, 55774, 61775, 64246, 71890, 91780, 102700, 111548, 114725, 123550, 128492, 139435, 143780, 160615, 179725, 195209, 229450, 247100, 278870, 321230, 359450, 362531, 390418, 458900, 557740, 642460, 697175, 718900, 725062, 780836, 803075, 976045, 1394350, 1450124, 1606150, 1812655, 1952090, 2537717, 2788700, 3212300, 3625310, 3904180, 4880225, 5075434, 7250620, 9063275, 9760450, 10150868, 12688585, 18126550, 19520900, 25377170, 36253100, 50754340, 63442925, 126885850, 253771700]

約数ペア:

[(1, 253771700), (2, 126885850), (4, 63442925), (5, 50754340), (7, 36253100), (10, 25377170), (13, 19520900), (14, 18126550), (20, 12688585), (25, 10150868), (26, 9760450), (28, 9063275), (35, 7250620), (50, 5075434), (52, 4880225), (65, 3904180), (70, 3625310), (79, 3212300), (91, 2788700), (100, 2537717), (130, 1952090), (140, 1812655), (158, 1606150), (175, 1450124), (182, 1394350), (260, 976045), (316, 803075), (325, 780836), (350, 725062), (353, 718900), (364, 697175), (395, 642460), (455, 557740), (553, 458900), (650, 390418), (700, 362531), (706, 359450), (790, 321230), (910, 278870), (1027, 247100), (1106, 229450), (1300, 195209), (1412, 179725), (1580, 160615), (1765, 143780), (1820, 139435), (1975, 128492), (2054, 123550), (2212, 114725), (2275, 111548), (2471, 102700), (2765, 91780), (3530, 71890), (3950, 64246), (4108, 61775), (4550, 55774), (4589, 55300), (4942, 51350), (5135, 49420), (5530, 45890), (7060, 35945), (7189, 35300), (7900, 32123), (8825, 28756), (9100, 27887), (9178, 27650), (9884, 25675), (10270, 24710), (11060, 22945), (12355, 20540), (13825, 18356), (14378, 17650)]