198012100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 515342016

約数和(自身を除く): 317329916

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 61, 65, 100, 110, 122, 130, 143, 220, 227, 244, 260, 275, 286, 305, 325, 454, 550, 572, 610, 650, 671, 715, 793, 908, 1100, 1135, 1220, 1300, 1342, 1430, 1525, 1586, 2270, 2497, 2684, 2860, 2951, 3050, 3172, 3355, 3575, 3965, 4540, 4994, 5675, 5902, 6100, 6710, 7150, 7930, 8723, 9988, 11350, 11804, 12485, 13420, 13847, 14300, 14755, 15860, 16775, 17446, 19825, 22700, 24970, 27694, 29510, 32461, 33550, 34892, 39650, 43615, 49940, 55388, 59020, 62425, 64922, 67100, 69235, 73775, 79300, 87230, 124850, 129844, 138470, 147550, 152317, 162305, 174460, 180011, 218075, 249700, 276940, 295100, 304634, 324610, 346175, 360022, 436150, 609268, 649220, 692350, 720044, 761585, 811525, 872300, 900055, 1384700, 1523170, 1623050, 1800110, 1980121, 3046340, 3246100, 3600220, 3807925, 3960242, 4500275, 7615850, 7920484, 9000550, 9900605, 15231700, 18001100, 19801210, 39602420, 49503025, 99006050, 198012100]

約数ペア:

[(1, 198012100), (2, 99006050), (4, 49503025), (5, 39602420), (10, 19801210), (11, 18001100), (13, 15231700), (20, 9900605), (22, 9000550), (25, 7920484), (26, 7615850), (44, 4500275), (50, 3960242), (52, 3807925), (55, 3600220), (61, 3246100), (65, 3046340), (100, 1980121), (110, 1800110), (122, 1623050), (130, 1523170), (143, 1384700), (220, 900055), (227, 872300), (244, 811525), (260, 761585), (275, 720044), (286, 692350), (305, 649220), (325, 609268), (454, 436150), (550, 360022), (572, 346175), (610, 324610), (650, 304634), (671, 295100), (715, 276940), (793, 249700), (908, 218075), (1100, 180011), (1135, 174460), (1220, 162305), (1300, 152317), (1342, 147550), (1430, 138470), (1525, 129844), (1586, 124850), (2270, 87230), (2497, 79300), (2684, 73775), (2860, 69235), (2951, 67100), (3050, 64922), (3172, 62425), (3355, 59020), (3575, 55388), (3965, 49940), (4540, 43615), (4994, 39650), (5675, 34892), (5902, 33550), (6100, 32461), (6710, 29510), (7150, 27694), (7930, 24970), (8723, 22700), (9988, 19825), (11350, 17446), (11804, 16775), (12485, 15860), (13420, 14755), (13847, 14300)]