197222220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1064

約数の個数: 144

約数和(自身を含む): 652186080

約数和(自身を除く): 454963860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 89, 90, 117, 130, 156, 178, 180, 195, 234, 260, 267, 356, 390, 445, 468, 534, 585, 780, 801, 890, 947, 1068, 1157, 1170, 1335, 1602, 1780, 1894, 2314, 2340, 2670, 2841, 3204, 3471, 3788, 4005, 4628, 4735, 5340, 5682, 5785, 6942, 8010, 8523, 9470, 10413, 11364, 11570, 12311, 13884, 14205, 16020, 17046, 17355, 18940, 20826, 23140, 24622, 28410, 34092, 34710, 36933, 41652, 42615, 49244, 52065, 56820, 61555, 69420, 73866, 84283, 85230, 104130, 110799, 123110, 147732, 168566, 170460, 184665, 208260, 221598, 246220, 252849, 337132, 369330, 421415, 443196, 505698, 553995, 738660, 758547, 842830, 1011396, 1095679, 1107990, 1264245, 1517094, 1685660, 2191358, 2215980, 2528490, 3034188, 3287037, 3792735, 4382716, 5056980, 5478395, 6574074, 7585470, 9861111, 10956790, 13148148, 15170940, 16435185, 19722222, 21913580, 32870370, 39444444, 49305555, 65740740, 98611110, 197222220]

約数ペア:

[(1, 197222220), (2, 98611110), (3, 65740740), (4, 49305555), (5, 39444444), (6, 32870370), (9, 21913580), (10, 19722222), (12, 16435185), (13, 15170940), (15, 13148148), (18, 10956790), (20, 9861111), (26, 7585470), (30, 6574074), (36, 5478395), (39, 5056980), (45, 4382716), (52, 3792735), (60, 3287037), (65, 3034188), (78, 2528490), (89, 2215980), (90, 2191358), (117, 1685660), (130, 1517094), (156, 1264245), (178, 1107990), (180, 1095679), (195, 1011396), (234, 842830), (260, 758547), (267, 738660), (356, 553995), (390, 505698), (445, 443196), (468, 421415), (534, 369330), (585, 337132), (780, 252849), (801, 246220), (890, 221598), (947, 208260), (1068, 184665), (1157, 170460), (1170, 168566), (1335, 147732), (1602, 123110), (1780, 110799), (1894, 104130), (2314, 85230), (2340, 84283), (2670, 73866), (2841, 69420), (3204, 61555), (3471, 56820), (3788, 52065), (4005, 49244), (4628, 42615), (4735, 41652), (5340, 36933), (5682, 34710), (5785, 34092), (6942, 28410), (8010, 24622), (8523, 23140), (9470, 20826), (10413, 18940), (11364, 17355), (11570, 17046), (12311, 16020), (13884, 14205)]