156639100

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 349977600

約数和(自身を除く): 193338500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 139, 191, 236, 278, 295, 382, 556, 590, 695, 764, 955, 1180, 1390, 1475, 1910, 2780, 2950, 3475, 3820, 4775, 5900, 6950, 8201, 9550, 11269, 13900, 16402, 19100, 22538, 26549, 32804, 41005, 45076, 53098, 56345, 82010, 106196, 112690, 132745, 164020, 205025, 225380, 265490, 281725, 410050, 530980, 563450, 663725, 820100, 1126900, 1327450, 1566391, 2654900, 3132782, 6265564, 7831955, 15663910, 31327820, 39159775, 78319550, 156639100]

約数ペア:

[(1, 156639100), (2, 78319550), (4, 39159775), (5, 31327820), (10, 15663910), (20, 7831955), (25, 6265564), (50, 3132782), (59, 2654900), (100, 1566391), (118, 1327450), (139, 1126900), (191, 820100), (236, 663725), (278, 563450), (295, 530980), (382, 410050), (556, 281725), (590, 265490), (695, 225380), (764, 205025), (955, 164020), (1180, 132745), (1390, 112690), (1475, 106196), (1910, 82010), (2780, 56345), (2950, 53098), (3475, 45076), (3820, 41005), (4775, 32804), (5900, 26549), (6950, 22538), (8201, 19100), (9550, 16402), (11269, 13900)]