27992900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 66678024

約数和(自身を除く): 38685124

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 353, 610, 650, 706, 793, 1220, 1300, 1412, 1525, 1586, 1765, 3050, 3172, 3530, 3965, 4589, 6100, 7060, 7930, 8825, 9178, 15860, 17650, 18356, 19825, 21533, 22945, 35300, 39650, 43066, 45890, 79300, 86132, 91780, 107665, 114725, 215330, 229450, 279929, 430660, 458900, 538325, 559858, 1076650, 1119716, 1399645, 2153300, 2799290, 5598580, 6998225, 13996450, 27992900]

約数ペア:

[(1, 27992900), (2, 13996450), (4, 6998225), (5, 5598580), (10, 2799290), (13, 2153300), (20, 1399645), (25, 1119716), (26, 1076650), (50, 559858), (52, 538325), (61, 458900), (65, 430660), (100, 279929), (122, 229450), (130, 215330), (244, 114725), (260, 107665), (305, 91780), (325, 86132), (353, 79300), (610, 45890), (650, 43066), (706, 39650), (793, 35300), (1220, 22945), (1300, 21533), (1412, 19825), (1525, 18356), (1586, 17650), (1765, 15860), (3050, 9178), (3172, 8825), (3530, 7930), (3965, 7060), (4589, 6100)]