180826100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 499301376

約数和(自身を除く): 318475276

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 260, 310, 325, 350, 364, 403, 434, 455, 620, 641, 650, 700, 775, 806, 868, 910, 1085, 1282, 1300, 1550, 1612, 1820, 2015, 2170, 2275, 2564, 2821, 3100, 3205, 4030, 4340, 4487, 4550, 5425, 5642, 6410, 8060, 8333, 8974, 9100, 10075, 10850, 11284, 12820, 14105, 16025, 16666, 17948, 19871, 20150, 21700, 22435, 28210, 32050, 33332, 39742, 40300, 41665, 44870, 56420, 58331, 64100, 70525, 79484, 83330, 89740, 99355, 112175, 116662, 139097, 141050, 166660, 198710, 208325, 224350, 233324, 258323, 278194, 282100, 291655, 397420, 416650, 448700, 496775, 516646, 556388, 583310, 695485, 833300, 993550, 1033292, 1166620, 1291615, 1390970, 1458275, 1808261, 1987100, 2583230, 2781940, 2916550, 3477425, 3616522, 5166460, 5833100, 6458075, 6954850, 7233044, 9041305, 12916150, 13909700, 18082610, 25832300, 36165220, 45206525, 90413050, 180826100]

約数ペア:

[(1, 180826100), (2, 90413050), (4, 45206525), (5, 36165220), (7, 25832300), (10, 18082610), (13, 13909700), (14, 12916150), (20, 9041305), (25, 7233044), (26, 6954850), (28, 6458075), (31, 5833100), (35, 5166460), (50, 3616522), (52, 3477425), (62, 2916550), (65, 2781940), (70, 2583230), (91, 1987100), (100, 1808261), (124, 1458275), (130, 1390970), (140, 1291615), (155, 1166620), (175, 1033292), (182, 993550), (217, 833300), (260, 695485), (310, 583310), (325, 556388), (350, 516646), (364, 496775), (403, 448700), (434, 416650), (455, 397420), (620, 291655), (641, 282100), (650, 278194), (700, 258323), (775, 233324), (806, 224350), (868, 208325), (910, 198710), (1085, 166660), (1282, 141050), (1300, 139097), (1550, 116662), (1612, 112175), (1820, 99355), (2015, 89740), (2170, 83330), (2275, 79484), (2564, 70525), (2821, 64100), (3100, 58331), (3205, 56420), (4030, 44870), (4340, 41665), (4487, 40300), (4550, 39742), (5425, 33332), (5642, 32050), (6410, 28210), (8060, 22435), (8333, 21700), (8974, 20150), (9100, 19871), (10075, 17948), (10850, 16666), (11284, 16025), (12820, 14105)]