353440100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4457}}^1$

素因数の和:4545

約数の個数: 72

約数和(自身を含む): 839691048

約数和(自身を除く): 486250948

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 610, 650, 793, 1220, 1300, 1525, 1586, 3050, 3172, 3965, 4457, 6100, 7930, 8914, 15860, 17828, 19825, 22285, 39650, 44570, 57941, 79300, 89140, 111425, 115882, 222850, 231764, 271877, 289705, 445700, 543754, 579410, 1087508, 1158820, 1359385, 1448525, 2718770, 2897050, 3534401, 5437540, 5794100, 6796925, 7068802, 13593850, 14137604, 17672005, 27187700, 35344010, 70688020, 88360025, 176720050, 353440100]

約数ペア:

[(1, 353440100), (2, 176720050), (4, 88360025), (5, 70688020), (10, 35344010), (13, 27187700), (20, 17672005), (25, 14137604), (26, 13593850), (50, 7068802), (52, 6796925), (61, 5794100), (65, 5437540), (100, 3534401), (122, 2897050), (130, 2718770), (244, 1448525), (260, 1359385), (305, 1158820), (325, 1087508), (610, 579410), (650, 543754), (793, 445700), (1220, 289705), (1300, 271877), (1525, 231764), (1586, 222850), (3050, 115882), (3172, 111425), (3965, 89140), (4457, 79300), (6100, 57941), (7930, 44570), (8914, 39650), (15860, 22285), (17828, 19825)]