406959700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 162

約数和(自身を含む): 1080729006

約数和(自身を除く): 673769306

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 157, 161, 175, 196, 230, 245, 314, 322, 350, 460, 490, 529, 575, 628, 644, 700, 785, 805, 980, 1058, 1099, 1127, 1150, 1225, 1570, 1610, 2116, 2198, 2254, 2300, 2450, 2645, 3140, 3220, 3611, 3703, 3925, 4025, 4396, 4508, 4900, 5290, 5495, 5635, 7222, 7406, 7693, 7850, 8050, 10580, 10990, 11270, 13225, 14444, 14812, 15386, 15700, 16100, 18055, 18515, 21980, 22540, 25277, 25921, 26450, 27475, 28175, 30772, 36110, 37030, 38465, 50554, 51842, 52900, 54950, 56350, 72220, 74060, 76930, 83053, 90275, 92575, 101108, 103684, 109900, 112700, 126385, 129605, 153860, 166106, 176939, 180550, 185150, 192325, 252770, 259210, 332212, 353878, 361100, 370300, 384650, 415265, 505540, 518420, 581371, 631925, 648025, 707756, 769300, 830530, 884695, 1162742, 1263850, 1296050, 1661060, 1769390, 2076325, 2325484, 2527700, 2592100, 2906855, 3538780, 4069597, 4152650, 4423475, 5813710, 8139194, 8305300, 8846950, 11627420, 14534275, 16278388, 17693900, 20347985, 29068550, 40695970, 58137100, 81391940, 101739925, 203479850, 406959700]

約数ペア:

[(1, 406959700), (2, 203479850), (4, 101739925), (5, 81391940), (7, 58137100), (10, 40695970), (14, 29068550), (20, 20347985), (23, 17693900), (25, 16278388), (28, 14534275), (35, 11627420), (46, 8846950), (49, 8305300), (50, 8139194), (70, 5813710), (92, 4423475), (98, 4152650), (100, 4069597), (115, 3538780), (140, 2906855), (157, 2592100), (161, 2527700), (175, 2325484), (196, 2076325), (230, 1769390), (245, 1661060), (314, 1296050), (322, 1263850), (350, 1162742), (460, 884695), (490, 830530), (529, 769300), (575, 707756), (628, 648025), (644, 631925), (700, 581371), (785, 518420), (805, 505540), (980, 415265), (1058, 384650), (1099, 370300), (1127, 361100), (1150, 353878), (1225, 332212), (1570, 259210), (1610, 252770), (2116, 192325), (2198, 185150), (2254, 180550), (2300, 176939), (2450, 166106), (2645, 153860), (3140, 129605), (3220, 126385), (3611, 112700), (3703, 109900), (3925, 103684), (4025, 101108), (4396, 92575), (4508, 90275), (4900, 83053), (5290, 76930), (5495, 74060), (5635, 72220), (7222, 56350), (7406, 54950), (7693, 52900), (7850, 51842), (8050, 50554), (10580, 38465), (10990, 37030), (11270, 36110), (13225, 30772), (14444, 28175), (14812, 27475), (15386, 26450), (15700, 25921), (16100, 25277), (18055, 22540), (18515, 21980)]