201437860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 466048296

約数和(自身を除く): 264610436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 244, 260, 305, 338, 610, 676, 793, 845, 977, 1220, 1586, 1690, 1954, 3172, 3380, 3908, 3965, 4885, 7930, 9770, 10309, 12701, 15860, 19540, 20618, 25402, 41236, 50804, 51545, 59597, 63505, 103090, 119194, 127010, 165113, 206180, 238388, 254020, 297985, 330226, 595970, 660452, 774761, 825565, 1191940, 1549522, 1651130, 3099044, 3302260, 3873805, 7747610, 10071893, 15495220, 20143786, 40287572, 50359465, 100718930, 201437860]

約数ペア:

[(1, 201437860), (2, 100718930), (4, 50359465), (5, 40287572), (10, 20143786), (13, 15495220), (20, 10071893), (26, 7747610), (52, 3873805), (61, 3302260), (65, 3099044), (122, 1651130), (130, 1549522), (169, 1191940), (244, 825565), (260, 774761), (305, 660452), (338, 595970), (610, 330226), (676, 297985), (793, 254020), (845, 238388), (977, 206180), (1220, 165113), (1586, 127010), (1690, 119194), (1954, 103090), (3172, 63505), (3380, 59597), (3908, 51545), (3965, 50804), (4885, 41236), (7930, 25402), (9770, 20618), (10309, 19540), (12701, 15860)]