1989301500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{7247}}^1$

素因数の和:7333

約数の個数: 144

約数和(自身を含む): 6379341696

約数和(自身を除く): 4390040196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 61, 75, 90, 100, 122, 125, 150, 180, 183, 225, 244, 250, 300, 305, 366, 375, 450, 500, 549, 610, 732, 750, 900, 915, 1098, 1125, 1220, 1500, 1525, 1830, 2196, 2250, 2745, 3050, 3660, 4500, 4575, 5490, 6100, 7247, 7625, 9150, 10980, 13725, 14494, 15250, 18300, 21741, 22875, 27450, 28988, 30500, 36235, 43482, 45750, 54900, 65223, 68625, 72470, 86964, 91500, 108705, 130446, 137250, 144940, 181175, 217410, 260892, 274500, 326115, 362350, 434820, 442067, 543525, 652230, 724700, 884134, 905875, 1087050, 1304460, 1326201, 1630575, 1768268, 1811750, 2174100, 2210335, 2652402, 2717625, 3261150, 3623500, 3978603, 4420670, 5304804, 5435250, 6522300, 6631005, 7957206, 8152875, 8841340, 10870500, 11051675, 13262010, 15914412, 16305750, 19893015, 22103350, 26524020, 32611500, 33155025, 39786030, 44206700, 55258375, 66310050, 79572060, 99465075, 110516750, 132620100, 165775125, 198930150, 221033500, 331550250, 397860300, 497325375, 663100500, 994650750, 1989301500]

約数ペア:

[(1, 1989301500), (2, 994650750), (3, 663100500), (4, 497325375), (5, 397860300), (6, 331550250), (9, 221033500), (10, 198930150), (12, 165775125), (15, 132620100), (18, 110516750), (20, 99465075), (25, 79572060), (30, 66310050), (36, 55258375), (45, 44206700), (50, 39786030), (60, 33155025), (61, 32611500), (75, 26524020), (90, 22103350), (100, 19893015), (122, 16305750), (125, 15914412), (150, 13262010), (180, 11051675), (183, 10870500), (225, 8841340), (244, 8152875), (250, 7957206), (300, 6631005), (305, 6522300), (366, 5435250), (375, 5304804), (450, 4420670), (500, 3978603), (549, 3623500), (610, 3261150), (732, 2717625), (750, 2652402), (900, 2210335), (915, 2174100), (1098, 1811750), (1125, 1768268), (1220, 1630575), (1500, 1326201), (1525, 1304460), (1830, 1087050), (2196, 905875), (2250, 884134), (2745, 724700), (3050, 652230), (3660, 543525), (4500, 442067), (4575, 434820), (5490, 362350), (6100, 326115), (7247, 274500), (7625, 260892), (9150, 217410), (10980, 181175), (13725, 144940), (14494, 137250), (15250, 130446), (18300, 108705), (21741, 91500), (22875, 86964), (27450, 72470), (28988, 68625), (30500, 65223), (36235, 54900), (43482, 45750)]