157204100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 394974720

約数和(自身を除く): 237770620

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 31, 34, 38, 50, 62, 68, 76, 85, 95, 100, 124, 155, 157, 170, 190, 310, 314, 323, 340, 380, 425, 475, 527, 589, 620, 628, 646, 775, 785, 850, 950, 1054, 1178, 1292, 1550, 1570, 1615, 1700, 1900, 2108, 2356, 2635, 2669, 2945, 2983, 3100, 3140, 3230, 3925, 4867, 5270, 5338, 5890, 5966, 6460, 7850, 8075, 9734, 10013, 10540, 10676, 11780, 11932, 13175, 13345, 14725, 14915, 15700, 16150, 19468, 20026, 24335, 26350, 26690, 29450, 29830, 32300, 40052, 48670, 50065, 50711, 52700, 53380, 58900, 59660, 66725, 74575, 82739, 92473, 97340, 100130, 101422, 121675, 133450, 149150, 165478, 184946, 200260, 202844, 243350, 250325, 253555, 266900, 298300, 330956, 369892, 413695, 462365, 486700, 500650, 507110, 827390, 924730, 1001300, 1014220, 1267775, 1572041, 1654780, 1849460, 2068475, 2311825, 2535550, 3144082, 4136950, 4623650, 5071100, 6288164, 7860205, 8273900, 9247300, 15720410, 31440820, 39301025, 78602050, 157204100]

約数ペア:

[(1, 157204100), (2, 78602050), (4, 39301025), (5, 31440820), (10, 15720410), (17, 9247300), (19, 8273900), (20, 7860205), (25, 6288164), (31, 5071100), (34, 4623650), (38, 4136950), (50, 3144082), (62, 2535550), (68, 2311825), (76, 2068475), (85, 1849460), (95, 1654780), (100, 1572041), (124, 1267775), (155, 1014220), (157, 1001300), (170, 924730), (190, 827390), (310, 507110), (314, 500650), (323, 486700), (340, 462365), (380, 413695), (425, 369892), (475, 330956), (527, 298300), (589, 266900), (620, 253555), (628, 250325), (646, 243350), (775, 202844), (785, 200260), (850, 184946), (950, 165478), (1054, 149150), (1178, 133450), (1292, 121675), (1550, 101422), (1570, 100130), (1615, 97340), (1700, 92473), (1900, 82739), (2108, 74575), (2356, 66725), (2635, 59660), (2669, 58900), (2945, 53380), (2983, 52700), (3100, 50711), (3140, 50065), (3230, 48670), (3925, 40052), (4867, 32300), (5270, 29830), (5338, 29450), (5890, 26690), (5966, 26350), (6460, 24335), (7850, 20026), (8075, 19468), (9734, 16150), (10013, 15700), (10540, 14915), (10676, 14725), (11780, 13345), (11932, 13175)]