28700700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 96660480

約数和(自身を除く): 67959780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 79, 84, 100, 105, 140, 150, 158, 173, 175, 210, 237, 300, 316, 346, 350, 395, 420, 474, 519, 525, 553, 692, 700, 790, 865, 948, 1038, 1050, 1106, 1185, 1211, 1580, 1659, 1730, 1975, 2076, 2100, 2212, 2370, 2422, 2595, 2765, 3318, 3460, 3633, 3950, 4325, 4740, 4844, 5190, 5530, 5925, 6055, 6636, 7266, 7900, 8295, 8650, 10380, 11060, 11850, 12110, 12975, 13667, 13825, 14532, 16590, 17300, 18165, 23700, 24220, 25950, 27334, 27650, 30275, 33180, 36330, 41001, 41475, 51900, 54668, 55300, 60550, 68335, 72660, 82002, 82950, 90825, 95669, 121100, 136670, 164004, 165900, 181650, 191338, 205005, 273340, 287007, 341675, 363300, 382676, 410010, 478345, 574014, 683350, 820020, 956690, 1025025, 1148028, 1366700, 1435035, 1913380, 2050050, 2391725, 2870070, 4100100, 4783450, 5740140, 7175175, 9566900, 14350350, 28700700]

約数ペア:

[(1, 28700700), (2, 14350350), (3, 9566900), (4, 7175175), (5, 5740140), (6, 4783450), (7, 4100100), (10, 2870070), (12, 2391725), (14, 2050050), (15, 1913380), (20, 1435035), (21, 1366700), (25, 1148028), (28, 1025025), (30, 956690), (35, 820020), (42, 683350), (50, 574014), (60, 478345), (70, 410010), (75, 382676), (79, 363300), (84, 341675), (100, 287007), (105, 273340), (140, 205005), (150, 191338), (158, 181650), (173, 165900), (175, 164004), (210, 136670), (237, 121100), (300, 95669), (316, 90825), (346, 82950), (350, 82002), (395, 72660), (420, 68335), (474, 60550), (519, 55300), (525, 54668), (553, 51900), (692, 41475), (700, 41001), (790, 36330), (865, 33180), (948, 30275), (1038, 27650), (1050, 27334), (1106, 25950), (1185, 24220), (1211, 23700), (1580, 18165), (1659, 17300), (1730, 16590), (1975, 14532), (2076, 13825), (2100, 13667), (2212, 12975), (2370, 12110), (2422, 11850), (2595, 11060), (2765, 10380), (3318, 8650), (3460, 8295), (3633, 7900), (3950, 7266), (4325, 6636), (4740, 6055), (4844, 5925), (5190, 5530)]